Please help with this probability work

Find the value of the variable and the length of each secant segment.

Henry is an avid reader, he devours 90 pages in half an hour how many pages has henry read per minute?

The map shows the location of the airport and a warehouse in a city. though not displayed on the map, there is also a factory 112 miles due north of the warehouse. a truck traveled from the warehouse to the airport and then to the factory. what is the total number of miles the truck traveled?